world and the country, to all of this hostages of the farc and eln, they have to be sure this will not intimidate us or make this retreat, that this will not scare me, that we will not leave the families alone. and to those listening to me in the jungle, you can be sure even if it comes to that point and i go to jail, my voice will be heard from jail -- sovereign, strong, to insist on the necessity of the need for peace. >> a new study is getting more than one-fifth of the world's plant species are at risk of extinction. the index as 22% of almost 4000 species are threatened with human induced habitat loss the cause of over 80% in the cases. stephen hopper said "we cannot sit back and watch plant species disappear -- plansre the basis of all life on earth, providing clean air, water, food and fuel.